METHOD OF REFINING ALUMINUM AND ITS ALLOYS

FIELD: metallurgy of non-ferrous metals; refining aluminum and its alloys. SUBSTANCE: proposed method ensures reliable refining of metals from hydrogen, sodium and non-metallic inclusions. Proposed method includes treatment of melt through tuyere immersed in it by high-velocity jet of inert and acti...

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Hauptverfasser:	ANFEROV V.E, SEMENIKHIN A.I, TRISHCHENKO V.I, OVSJANNIKOV B.V
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	FIELD: metallurgy of non-ferrous metals; refining aluminum and its alloys. SUBSTANCE: proposed method ensures reliable refining of metals from hydrogen, sodium and non-metallic inclusions. Proposed method includes treatment of melt through tuyere immersed in it by high-velocity jet of inert and active gas mixture. Mixture of gases is made directly in metal melt after independent supply at introduction of active gas into high- velocity jet of inert gas at pressure of 1000 to 2000 kPa through nozzle having diameter of 0.3-0.7 mm. EFFECT: enhanced efficiency. 1 tbl